@article{Liu09cad,
  author    = {Yu-Shen Liu and Karthik Ramani},
  title     = {Robust principal axes determination for point-based shapes using least median of squares},
  journal   = {Computer-Aided Design},
  volume    = {41},
  number    = {4},
  pages     = {293--305},
  year      = {2009},
}